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MVCBCT at UCSF A Team Creation
by Michèle AubinIGRT Specialist
Prostate Alignment
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Prostate Patient
Here is a typical Coherence screen after the 3D image acquisition and the automatic registration are done for a prostate patient.
Here is a typical Coherence screen after the 3D image acquisition and the automatic registration are done for a prostate patient.
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- Click the ‘Fusion Bending’ tool, and the Blending Dialog will appear.
- Click the ‘Fusion Bending’ tool, and the Blending Dialog will appear.
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- In the Blending Dialog window, slide to the left the blending tool (Cone Beam (CB) Image),
- Select Invert Grayscale in the Lookup Table and, adjust the Window-Values tool.
- In the Blending Dialog window, slide to the left the blending tool (Cone Beam (CB) Image),
- Select Invert Grayscale in the Lookup Table and, adjust the Window-Values tool.
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- In the Blending Dialog window, slide to the right the blending tool (CT Reference Image),
- Select Grayscale in the Lookup Table and, adjust the Window-Values tool.
- In the Blending Dialog window, slide to the right the blending tool (CT Reference Image),
- Select Grayscale in the Lookup Table and, adjust the Window-Values tool.
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-Adjust the image with the Zoom tool.
-Adjust the image with the Zoom tool.
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- In the Blending Dialog window, slide to the left the blending tool,
- On the coronal CB view (bottom), localize the three gold markers (GM) by scrolling images (Apex in this case).
- In the Blending Dialog window, slide to the left the blending tool,
- On the coronal CB view (bottom), localize the three gold markers (GM) by scrolling images (Apex in this case).
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(Right Base in this case)(Right Base in this case)
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(Left Base in this case)(Left Base in this case)
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- In the coronal view, bring the red horizontal line over the left base GM . This will bring the GM in the transversal view (upper left).
- In the coronal view, bring the red horizontal line over the left base GM . This will bring the GM in the transversal view (upper left).
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- In the coronal view, bring the green vertical line over the right base GM . This will bring the GM in the sagital view (upper right).
- In the coronal view, bring the green vertical line over the right base GM . This will bring the GM in the sagital view (upper right).
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- In the coronal view, localize the apex GM . Now you have three different GM in each view; the left base in the transversal view (upper left), the right base in the sagital view (upper right) and the apex in the coronal view (bottom).
- In the coronal view, localize the apex GM . Now you have three different GM in each view; the left base in the transversal view (upper left), the right base in the sagital view (upper right) and the apex in the coronal view (bottom).
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- Slide the blending tool to 1/3.
The CT and the CB appear together overlapping each other.
- Slide the blending tool to 1/3.
The CT and the CB appear together overlapping each other.
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- Click on the Manual Registration tool and move the CT over the CB. Suggestion: Move the most obvious white CT-GM (in this case the right base) over the black CB-GM.
- Click on the Manual Registration tool and move the CT over the CB. Suggestion: Move the most obvious white CT-GM (in this case the right base) over the black CB-GM.
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- Adjust one of the two other GM.- Adjust one of the two other GM.
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- Click the Accept button.- Click the Accept button.
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- On the left are the initial table coordinates.-On the middle are the new table coordinates (absolute).-On the right are the relative table moves.
- On the left are the initial table coordinates.-On the middle are the new table coordinates (absolute).-On the right are the relative table moves.